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WARNING: It is advisable to use
only one port to connect the touch
screen
(Serial
Touch).
IMPORTANT: For connection by
means of Serial-Touch, use only a
cable as shown in the attached
layout (Fig. 22).
Use of any other type of cable
may damage the equipment.
OSD keypad
EW3 - Fig. 12
A) Allows the automatic regulation of
the monitor / Confirm selections.
B) Allows you to display the menu.
C) Allows you to move within the on-
screen menu / To increase the
value.
D) Allows you to move within the on-
screen menu / To decrease the
value.
E) Turning on the Monitor.
Connection cables
In order to limit as much as
possible the influence of these
disturbances good quality shielded
cables must be used.
Specifications of serial connection
cable:
! Direct current resistance - Max.
151 Ohm/Km
! Capacity
coupling
29pF/m
! Shielding > 80% or total
Always:
! Find the shortest route.
! Lay disturbed cables separately.
! Use connectors with metal or
conduc-tive plastic shells.
Connect the serial cable shield in
accordance with the instructions on
Fig. 21.
Touch
or
USB
-
Max.
NOTE:
The
braiding
electrically connected both to the
connector body and shell. The
interface cable braiding must be
electrically connected both to the
shell and the body of the connector
at both ends of the cable.
Installation
explosive atmospheres
When EW3xxA is intended for use
in ATEX environment, the attached
ATEX
KIT
must
properly applied. For further details
see the ATEX manual supplied with
the product.
WARNING: the closing plate must
be fixed before the EW3xx is
installed in ATEX environment.
Please follow the instructions by
Fig. 8.
1. Remove
the
protective support.
2. Apply the gasket on the rear
side of the closing plate for the
USB port.
3. Open completely the rubber
USB cover, insert the closing
plate in the USB hole and fix the
plate
by
using
screws.
4. Close the rubber USB cover
Installing the EW3
EW3 – Fig. 9
Tightening Torque 1,24 Nm (11 lbs.
in.) +/- 5%
Power supply
Power connector pin-out - Fig. 13.
Recommended power connection -
Fig. 14.
must
in
potentially
be
used
and
gasket
from
the
proper
be
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